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Finding the Fourth Proportional to 8,894.60, 13,342.17 and 3,051.13

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Solution

The fourth proportional to 8,894.60, 13,342.17 and 3,051.13 is: 4,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.60 : 13,342.17 = 3,051.13 : x
  2. Step 2: Convert to fraction form
    8,894.60/13,342.17 = 3,051.13/x
  3. Step 3: Cross multiply
    8,894.60x = 13,342.17 × 3,051.13
  4. Step 4: Simplify right side
    8,894.60x = 40,708,628.44
  5. Step 5: Solve for x
    x = 40,708,628.44/8,894.60
  6. Step 6: Final answer
    x = 4,576.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.